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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /arch/arm/mach-omap2/clock3517.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/arm/mach-omap2/clock3517.c')
-rw-r--r--arch/arm/mach-omap2/clock3517.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/arch/arm/mach-omap2/clock3517.c b/arch/arm/mach-omap2/clock3517.c
deleted file mode 100644
index 4d79ae2c0..000000000
--- a/arch/arm/mach-omap2/clock3517.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * OMAP3517/3505-specific clock framework functions
- *
- * Copyright (C) 2010 Texas Instruments, Inc.
- * Copyright (C) 2011 Nokia Corporation
- *
- * Ranjith Lohithakshan
- * Paul Walmsley
- *
- * Parts of this code are based on code written by
- * Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu,
- * Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#undef DEBUG
-
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include "clock.h"
-#include "clock3517.h"
-#include "cm3xxx.h"
-#include "cm-regbits-34xx.h"
-
-/*
- * In AM35xx IPSS, the {ICK,FCK} enable bits for modules are exported
- * in the same register at a bit offset of 0x8. The EN_ACK for ICK is
- * at an offset of 4 from ICK enable bit.
- */
-#define AM35XX_IPSS_ICK_MASK 0xF
-#define AM35XX_IPSS_ICK_EN_ACK_OFFSET 0x4
-#define AM35XX_IPSS_ICK_FCK_OFFSET 0x8
-#define AM35XX_IPSS_CLK_IDLEST_VAL 0
-
-/**
- * am35xx_clk_find_idlest - return clock ACK info for AM35XX IPSS
- * @clk: struct clk * being enabled
- * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
- * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
- * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
- *
- * The interface clocks on AM35xx IPSS reflects the clock idle status
- * in the enable register itsel at a bit offset of 4 from the enable
- * bit. A value of 1 indicates that clock is enabled.
- */
-static void am35xx_clk_find_idlest(struct clk_hw_omap *clk,
- void __iomem **idlest_reg,
- u8 *idlest_bit,
- u8 *idlest_val)
-{
- *idlest_reg = (__force void __iomem *)(clk->enable_reg);
- *idlest_bit = clk->enable_bit + AM35XX_IPSS_ICK_EN_ACK_OFFSET;
- *idlest_val = AM35XX_IPSS_CLK_IDLEST_VAL;
-}
-
-/**
- * am35xx_clk_find_companion - find companion clock to @clk
- * @clk: struct clk * to find the companion clock of
- * @other_reg: void __iomem ** to return the companion clock CM_*CLKEN va in
- * @other_bit: u8 ** to return the companion clock bit shift in
- *
- * Some clocks don't have companion clocks. For example, modules with
- * only an interface clock (such as HECC) don't have a companion
- * clock. Right now, this code relies on the hardware exporting a bit
- * in the correct companion register that indicates that the
- * nonexistent 'companion clock' is active. Future patches will
- * associate this type of code with per-module data structures to
- * avoid this issue, and remove the casts. No return value.
- */
-static void am35xx_clk_find_companion(struct clk_hw_omap *clk,
- void __iomem **other_reg,
- u8 *other_bit)
-{
- *other_reg = (__force void __iomem *)(clk->enable_reg);
- if (clk->enable_bit & AM35XX_IPSS_ICK_MASK)
- *other_bit = clk->enable_bit + AM35XX_IPSS_ICK_FCK_OFFSET;
- else
- *other_bit = clk->enable_bit - AM35XX_IPSS_ICK_FCK_OFFSET;
-}
-const struct clk_hw_omap_ops clkhwops_am35xx_ipss_module_wait = {
- .find_idlest = am35xx_clk_find_idlest,
- .find_companion = am35xx_clk_find_companion,
-};
-
-/**
- * am35xx_clk_ipss_find_idlest - return CM_IDLEST info for IPSS
- * @clk: struct clk * being enabled
- * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
- * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
- * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
- *
- * The IPSS target CM_IDLEST bit is at a different shift from the
- * CM_{I,F}CLKEN bit. Pass back the correct info via @idlest_reg
- * and @idlest_bit. No return value.
- */
-static void am35xx_clk_ipss_find_idlest(struct clk_hw_omap *clk,
- void __iomem **idlest_reg,
- u8 *idlest_bit,
- u8 *idlest_val)
-{
- u32 r;
-
- r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
- *idlest_reg = (__force void __iomem *)r;
- *idlest_bit = AM35XX_ST_IPSS_SHIFT;
- *idlest_val = OMAP34XX_CM_IDLEST_VAL;
-}
-
-const struct clk_hw_omap_ops clkhwops_am35xx_ipss_wait = {
- .allow_idle = omap2_clkt_iclk_allow_idle,
- .deny_idle = omap2_clkt_iclk_deny_idle,
- .find_idlest = am35xx_clk_ipss_find_idlest,
- .find_companion = omap2_clk_dflt_find_companion,
-};